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Table 2 Laboratory baseline findings and underlying heart diseases of the study population

From: Epidemiology and long-term prognosis of atrial fibrillation in rural African patients

Parameter Value
Serum glucose (mmol/l), mean ± SD 4.68 ± 1.31
Hemoglobin (g/dl), mean ± SD 11.74 ± 1.97
Serum creatinine (μmol/l), mean ± SD 123.1 ± 56.48
eGFR (ml/min/1.73 m2), mean ± SD 61.67 ± 24.66
Uric acid (μmol/l), mean ± SD 387.81 ± 101.54
Serum potassium (mmol/l), mean ± SD 3.97 ± 0.49
Serum calcium (mmol/l), mean ± SD 2.1 ± 0.23
Sodium (mmol/l), mean ± SD 135.55 ± 8.28
QRS duration (milliseconds), mean ± SD 110.35 ± 9.28
Left bundle block branch, n (%) 13 (12.87)
Left atrium diameter (mm), mean ± SD 46.04 ± 7.06
Left atrium surface (cm2), mean ± SD 23.73 ± 6.50
LVEF (%), mean ± SD 41.4 ± 17
LVEF < 40%, n (%) 60 (59.41)
LVEF = 40–49%, n (%) 9 (8.91)
LVEF ≥ 50%, n (%) 32 (31.68)
Left ventricular filling pressure (E/E’), mean ± SD 14.68 ± 4.65
Left ventricular diastolic dysfunction, n (%) 75 (74.26)
Heart diseases and etiologies  
 Hypertensive heart disease, n (%) 46 (45.54)
 Idiopathic dilated cardiomyopathy, n (%) 21 (20.79)
 Valvular heart disease, n (%) 10 (9.90)
 Restrictive cardiomyopathy, n (%) 8 (7.92)
 Ischemic heart disease, n (%) 6 (5.94)
 Hyperthyroidism, n (%) 3 (2.97)
 Lone AF, n (%) 7 (6.90)
  1. SD standard deviation, eGFr estimated glomerular filtration rate using CKD-EPI formula, LVEF left ventricular ejection fraction, AF atrial fibrillation